added references to RFC 3629 as the source of the 21-bit U+10FFFF limit,
outlined the illegal character strategy of fl_utf8decode(), and
added warnings that fl_utf8len() is unsafe
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@7610 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
corrected mismatched parameter names and typos on fl_utf8.h and fl_utf8.cxx
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6769 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
this is the first stage in putting tutorial type info together.
next stage is to put the functions into related groups for explanation.
corrected minor typo in Fl.H
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6766 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
added more info and links on the Unicode Standard, ISO 10646, and UTF-8.
added bullet points about what FLTK will and won't do.
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6752 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
also relaxed table widths in intro.dox to use 100% instead of 700 pixels
to fit with doxygen header rule and new footer navigation bars
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6724 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
moved class/function reference pages to end of index table,
swapped editor/drawing chapters in Doxybook for PDF version
git-svn-id: file:///fltk/svn/fltk/branches/branch-1.3@6721 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
